package com.sfac.springboot.springboot.modules.test.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.sfac.springboot.springboot.modules.common.vo.Result;
import com.sfac.springboot.springboot.modules.common.vo.Search;
import com.sfac.springboot.springboot.modules.test.dao.CityDao;
import com.sfac.springboot.springboot.modules.test.dao.CityDao2;
import com.sfac.springboot.springboot.modules.test.entity.City;
import com.sfac.springboot.springboot.modules.test.service.CityService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;

@Service
public class CityServicelmpl implements CityService {
    @Autowired
    private CityDao cityDao;
    @Autowired
    private CityDao2 cityDao2;

    @Override
    @Transactional
    public Result<City> insertCity(City city) {
        City temp=cityDao.getCityByCityName(city.getCityName());
        if (temp!=null){
            return new Result<>(Result.ResultStatus.FAILD.code,"City name is repead.");
        }

        city.setDateCreated(new Date());
        city.setDateModified(new Date());
        //cityDao.insertCity(city);
        cityDao2.insert(city);
        return new Result<>(Result.ResultStatus.SUCCESS.code,"Insert success.",city);
    }

    @Override
    @Transactional
    public Result<City> updateCity(City city) {
        City temp=cityDao.getCityByCityName(city.getCityName());
        if (temp!=null && temp.getCityId() != city.getCityId()) {
            return new Result<>(Result.ResultStatus.FAILD.code, "City name is repead.");
        }
        city.setDateModified(new Date());
        //cityDao.updateCity(city);
        //cityDao2.updateById(city);
        UpdateWrapper wrapper =  new UpdateWrapper();
        wrapper.set(true,"city_name",city.getCityName());
        wrapper.set(true,"local_city_name",city.getLocalCityName());
        wrapper.eq(true,"city_id",city.getCityId());
        cityDao2.update(city,wrapper);
        return new Result<>(Result.ResultStatus.SUCCESS.code,"Update success.",city);
    }

    @Override
    @Transactional
    public Result<Object> deleteCityByCityId(int cityId) {
        //cityDao.deleteCityByCityId(cityId);
        cityDao2.deleteById(cityId);
//        Map<String,Object> columnMap = new HashMap<>();
//        columnMap.put("city_id",cityId);
//        cityDao2.deleteByMap(columnMap);
        return new Result<>(Result.ResultStatus.SUCCESS.code,"Delete success.");
    }

    @Override
    @Transactional
    public City getCityByCityId(int cityId) {
        //return cityDao.getCityByCityId(cityId);
        return cityDao2.selectById(cityId);
    }

    @Override
    public City getCityByNames(String cityName, String localCityName) {
        return cityDao.getCityByNames(cityName,localCityName);
    }

    @Override
    public List<City> getCitiesByCountryId(int countryId) {
        return Optional.ofNullable(cityDao.getCitiesByCountryId(countryId))
                .orElse(Collections.emptyList());
        //return cityDao.getCitiesByCountryId(countryId);
    }

    @Override
    public PageInfo<City> getCitiesBySearch(Search search) {
        /*
        * 初始化search对象
        * 开始分页
        * 返回分页对象*/
        search.init();
        PageHelper.startPage(search.getCurrentPage(),search.getPageSize());
        return new PageInfo<>(Optional.
                ofNullable(cityDao.getCitiesBySearch(search))
                .orElse(Collections.emptyList()));
    }

    @Override
    public Page<City> getCitiesBySearch2(Search search) {
       //初始化search
        search.init();
        //构造 Page对象

        Page<City> page = new Page<>(search.getCurrentPage(),search.getPageSize());
       //构造QueryWrapper 对象
        QueryWrapper<City> queryWrapper =  new QueryWrapper();

        queryWrapper.like(
                StringUtils.isNoneBlank(search.getKeyword()),
                "city_name",
                search.getKeyword()
        ).or().like(
                StringUtils.isNoneBlank(search.getKeyword()),
                "local_city_name",
                search.getKeyword()
        ).orderBy(
                true,
                StringUtils.isBlank(search.getDirection()) ||
                        search.getDirection().toLowerCase().equals("asc"),
                search.getSort()
        );
        //查询
        return cityDao2.selectPage(page,queryWrapper);
    }
}
